土产
发表于 2025-3-27 00:02:14
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文字
发表于 2025-3-27 04:41:56
Local Site Deformations in Zeolites by the Coordination of Cu(II),ed using multiconfigurational perturbation theory (CASPT2), and compared with experiment. It was shown that Cu(II) induces strong lattice deformations in the cation sites to achieve a four-fold planar coordination. The Cu(II) spectroscopic features are believed to be influenced by both the geometry and the Si/A1 distribution of the cation site.
Kidney-Failure
发表于 2025-3-27 09:14:09
Direct Addition of Amine N-H to CC Triple Bonds,most active catalysts. The heterogeneous catalysts were more active than the corresponding homogeneous catalysts, which is concluded to be related to co-catalysis by the protons present in the zeolite.
cogitate
发表于 2025-3-27 09:26:28
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忙碌
发表于 2025-3-27 14:29:20
Towards a better understanding and terminology of the Oxide / Transition Metal Complex interactionstal ion ions (TMIs) with oxide matrices, with special emphasis on their relevance to the preparation of supported metal catalysts. As we will show, the current use of vocabulary is sometimes confused or misleading and would benefit from some systematisation. In particular, a sound reasoning on TMC/o
价值在贬值
发表于 2025-3-27 18:43:13
Ion Exchange of Non-Framework Cations in Zeolites for Catalysis,ous approaches to ion exchange, including vapor transport techniques are also described. Some believe that incipient wetness of a zeolite is the same as ion exchange, don’t control pH, ignore the selection of the salt for exchange, or feel that the extent of exchange is independent of the Si/Al rati
Rinne-Test
发表于 2025-3-28 01:28:38
Single Metal Ions in Host Zeolite Matrices. Structure-Activity-Selectivity-Relationships, methane. To explain this effect of zeolite matrices, ligation of the Co ions in cationic sites of these zeolites as well as Co-ligand complexes with CO, NO, NH., NO. and H.O were described by using Vis spectra of Co ions and IR spectra in the region of skeletal and adsorbates vibrations, and EXAFS
玷污
发表于 2025-3-28 03:40:14
Siting and Stability of Metal Cations in Zeolites,ongst different cation-exchange sites depends on a variety of factors including, the charge on the cation, the Si/Al ratio of the zeolite, and the distribution of Al atoms in the zeolite framework. An overview is presented of recent theoretical efforts aimed at determining the distribution of charge
instill
发表于 2025-3-28 09:21:22
Mono- and Multinuclear Oxo-Cations in Zeolite Cavities,ved by dissipating their positive charge into three monopositive charges. Hydrolysis converts bare ions into oxo-ions that, unlike bare metal ions, can be reduced with CO. The number of “extra- lattice” oxygen (ELO) atoms can be derived from the amount of CO. formed in this process. The limiting num
一瞥
发表于 2025-3-28 12:55:03
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